How to Grow Super Silver Haze Seeds (2025 Grow Diary)

Super Silver Haze is an 80% sativa / 20% indica hybrid made from the legendary cross of Skunk × Northern Lights × Haze. With up to 23% THC and ~0.5% CBD, it delivers creative, happy, uplifting effects alongside a sharp lemon, sour, and spicy flavor profile. Plants can grow tall (70–80 in), flower in 9–10 weeks, and yield 1.3–1.7 oz/ft² indoors or 10–15 oz/plant outdoors, with harvest usually around end of September to early October.

This diary will show you step by step how to grow Super Silver Haze strain for maximum citrus-spicy punch and energizing highs.

Super Silver Haze

• 80% Sativa
• Creative Daytime Inspiration
• Ideal for Tropical Climate

1+1 Free$24$19view product

👉 Shop Super Silver Haze seeds at Hypno Seeds
🔗 Learn more about Super Silver Haze strain on Leafly

Setup Checklist for Growing Super Silver Haze Seeds

🏕️ Indoor Setup

• Tent: Minimum 3×3 ft (extra height essential)
• Lighting: High-output LED, 500–800W equivalent
• Ventilation: Inline fan + carbon filter (this one gets pungent)
• Airflow: Multiple oscillating fans
• Pots: 5–7 gallon fabric pots
• Medium: Soil or coco with perlite
• Nutrients: Heavy feeders—veg & bloom feed + Cal-Mag
• Water: pH 6.2–6.6
• Humidity control: Dehumidifier essential in late flower

🌞 Outdoor Notes

• Best in long, sunny seasons
• Soil: Fertile, well-draining, with organic compost
• Support: Tall stakes or trellis for heavy branches
• Climate tip: Protect from early autumn rains

Germination: Starting Your Super Silver Haze Grow

• Use the paper towel method: seeds between damp paper towels, sandwiched between plates, kept at 70–75°F.
• Check daily; transplant when taproot reaches ~½ inch.
• Plant root-tip down about ½ inch into medium.

⚠️ Don’t suffocate seeds in sealed bags; airflow matters.

Week 1: Seedling Stage

What to Expect

• Height: 1–2 in
• Leaves: Cotyledons + first serrated leaves
• Color: Bright, vibrant green

Environment Targets

• Light: 18–24h, low intensity
• Temp: 72–77°F
• Humidity: 65–70%
• Water: Light moisture around stem
• Nutrients: None unless in inert medium

Tip: Avoid overwatering, seedlings prefer moist, not wet.

Week 2: Early Veg

What to Expect

• Height: 3–5 in
• Growth: First broad fan leaves, stem thickens
• Structure: Early signs of tall sativa stretch

Environment Targets

• Light: 18h (~300 PPFD)
• Temp: 73–78°F
• Humidity: 60–65%
• Nutrients: Start veg feed (¼ strength)

Optional: Begin LST to keep plants manageable later.

Week 3: Veg Expansion

What to Expect

• Height: 8–12 in
• Canopy: More nodes + strong lateral branching
• Aroma: Early citrus-spice hints if leaves are rubbed

Environment Targets

• Light: 18h (~400–500 PPFD)
• Temp: 73–78°F
• Humidity: 55–60%
• Nutrients: Veg feed at ½ strength

Additional Info: Top or SCROG now; Super Silver Haze loves training.

Week 4: Pre-Flower & Final Training

What to Expect

• Height: 14–20 in
• Growth: Vigorous branching, bushy structure
• Aroma: Lemon and spice notes building

Environment Targets

• Light: 18/6 (~500–600 PPFD)
• Temp: 72–78°F
• Humidity: 50–55%
• Nutrients: Full veg feed

Prep: Finish training, prune lower foliage, prepare for flower stretch.

Week 5: Flower Begins

What to Expect

• Height: 20–30 in (stretch starts)
• Pistils: Visible at nodes
• Aroma: Sharp citrus-spice scent increases

Environment Targets

• Light: 12/12 (~600–700 PPFD)
• Temp: 72–78°F
• Humidity: 45–50%
• Nutrients: Switch to bloom (higher P & K, reduced N)

Week 6: Bud Sites & Trichomes

What to Expect

• Height: 30–40 in (indoors, more outdoors)
• Buds: Developing at all cola sites
• Trichomes: Sparkle begins on sugar leaves
• Aroma: Sour lemon & spicy haze combo

Environment Targets

• Light: 12/12 (~700 PPFD)
• Temp: 70–77°F
• Humidity: ~45%
• Nutrients: Bloom + Cal-Mag

Week 7–9: Bud Fattening & Aroma Surge

What to Expect

• Height: 50–70 in indoors, taller outdoors
• Buds: Long, resinous sativa colas
• Aroma: Loud citrus, sour, spice filling the grow space
• Trichomes: Heavy frost builds

Environment Targets

• Light: 12/12, ~700–900 PPFD
• Temp: 68–75°F
• Humidity: 40–45%
• Nutrients: Bloom maintenance; optional terp boosters

Tip: Branch support is critical, colossal colas can sag.

Week 10: Final Flush & Ripeness Check

What to Expect

• Buds: Fully matured, sticky
• Pistils: 70–90% darkened
• Trichomes: Mostly cloudy, ~10–20% amber

Environment Targets

• Light: Maintain 12/12 until harvest
• Temp: 65–70°F
• Humidity: 35–40%
• Water: Flush with plain pH’d water for 5–7 days

Harvest: End of September to early October.

Harvest & Curing

• Dry: 60°F / 55% RH, in darkness, 10–14 days
• Cure: Airtight jars, burped daily first week, then weekly
• Result: Spicy, sour-lemon buds with uplifting effects and heavy resin.

Final Thoughts on Growing Super Silver Haze Seeds

Super Silver Haze is an iconic sativa, rewarding growers with large yields, sparkling resin, and a flavor that cuts through with lemon and spice. It takes a little training and patience, but the payoff is a legendary high.

If you’re ready to learn how to grow Super Silver Haze strain, this diary has your complete roadmap.

Super Silver Haze

• 80% Sativa
• Creative Daytime Inspiration
• Ideal for Tropical Climate

1+1 Free$24$19view product

👉 Shop Super Silver Haze seeds at Hypno Seeds
👉 Explore more Sativa Seeds
🔗 Learn more about Super Silver Haze on Leafly

FAQ: Growing Super Silver Haze Seeds

How long does Super Silver Haze take to flower?
9–10 weeks, harvest late September to early October.

How tall does it grow?
Tall: 70–80 inches indoors, even higher outdoors.

What yields can I expect?
Indoors: 1.3–1.7 oz/ft². Outdoors: 10–15 oz/plant.

What does Super Silver Haze taste like?
Citrus-lemon upfront with sour and spicy haze undertones.

What effects does it have?
Creative, happy, uplifting, a cerebral sativa experience.